8 points
“opponent” or “rival”
Aaand that’s the interpretation The Church of Satan takes. They’re atheists and don’t believe in Satan as an entity.
12 points
You’re thinking of The Satanic Temple. CoS is a theistic organization started by Anton Lavey. They worship a literal Satan.
17 points
https://www.churchofsatan.com/faq-fundamental-beliefs/
Why do Satanists worship The Devil?
We don’t. Satanists are atheists.